checkdate
(PHP 3, PHP 4 )
checkdate -- Validate a Gregorian date
Description
bool checkdate ( int month, int day, int year)
Returns TRUE if the date given is valid; otherwise returns
FALSE. Checks the validity of the date formed by the arguments.
A date is considered valid if:
year is between 1 and 32767 inclusive
month is between 1 and 12 inclusive
Day is within the allowed number of days for the given
month. Leap years are taken into consideration.
Example 1. checkdate() example
<?php
var_dump(checkdate(12, 31, 2000));
var_dump(checkdate(2, 29, 2001));
?>
The above example will output:
bool(true)
bool(false)
See also mktime() and strtotime().
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